Built in range means one sleeve fits various sizes of pipe. Tapping Sleeves are fast and easy to install with simple hand tools, require no caulking or special equipment, and may be used with any standard tapping valve. the sleeve design directly reinforces pipe without shims or pads and also weights less than heavy cast iron sleeves. The self-energizing gasket will not roll or bind on installation, and has a generous cross section to assure a good seal every time. The built-in range of Tapping Sleeves means one sleeve fits several classes of pipe.